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#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
using namespace std;
int main()
{
int n, index = 0, num = 0;
cin >> n;
if (n == 1) {
cout << 2;
return 0;
}
for (int i = 2;i < n;i++) {
if (n % i == 0) {
index = 1;
break;
}
}
if (index == 0) {
cout << n;
}
else {
for (int i = n + 1;i <= 99999;i++) {
num = 0;
&nb...
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